add openocd.h for top-level declarations
[openocd.git] / src / ecosboard.c
1 /***************************************************************************
2 * Copyright (C) 2007-2008 by √ėyvind Harboe *
3 * *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
8 * *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
13 * *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
18 ***************************************************************************/
19
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include "log.h"
25 #include "types.h"
26 #include "jtag.h"
27 #include "configuration.h"
28 #include "xsvf.h"
29 #include "svf.h"
30 #include "target.h"
31 #include "flash.h"
32 #include "nand.h"
33 #include "pld.h"
34
35 #include "command.h"
36 #include "server.h"
37 #include "telnet_server.h"
38 #include "gdb_server.h"
39 #include "openocd.h"
40
41 #include <time_support.h>
42 #include <sys/time.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <string.h>
46 #include <unistd.h>
47 #include <errno.h>
48
49 #include <cyg/io/flash.h>
50 #include <pkgconf/fs_jffs2.h> // Address of JFFS2
51 #include <network.h>
52
53 #include <fcntl.h>
54 #include <sys/stat.h>
55 #include <cyg/fileio/fileio.h>
56 #include <dirent.h>
57 #include <cyg/athttpd/http.h>
58 #include <cyg/athttpd/socket.h>
59 #include <cyg/athttpd/handler.h>
60 #include <cyg/athttpd/cgi.h>
61 #include <cyg/athttpd/forms.h>
62 #include <cyg/discover/discover.h>
63 #include <cyg/hal/hal_diag.h>
64 #include <cyg/kernel/kapi.h>
65 #include <cyg/io/serialio.h>
66 #include <cyg/io/io.h>
67 #include <netinet/tcp.h>
68 #include "rom.h"
69 #include <sys/ioctl.h>
70 #include <sys/socket.h>
71 #include <netinet/in.h>
72 #include <net/if.h>
73 #include <arpa/inet.h>
74 #include <sys/types.h>
75 #include <sys/socket.h>
76 #include <netdb.h>
77 #include <netinet/in.h>
78 #include <unistd.h>
79 #include <arpa/inet.h>
80 #include <stdio.h>
81 #include <ifaddrs.h>
82 #include <string.h>
83
84 #include <unistd.h>
85 #include <stdio.h>
86
87
88 #define MAX_IFS 64
89 #if defined(CYGPKG_NET_FREEBSD_STACK)
90 #include <tftp_support.h>
91 /* posix compatibility broken*/
92 struct tftpd_fileops fileops =
93 {
94 (int (*)(const char *, int))open,
95 close,
96 (int (*)(int, const void *, int))write,
97 (int (*)(int, void *, int))read
98 };
99
100 #endif
101
102
103 void diag_write(char *buf, int len)
104 {
105 int j;
106 for (j = 0; j < len; j++)
107 {
108 diag_printf("%c", buf[j]);
109 }
110 }
111
112 static bool serialLog = true;
113 static bool writeLog = true;
114
115 char hwaddr[512];
116
117
118 extern struct flash_driver *flash_drivers[];
119 extern struct target_type *target_types[];
120
121 #ifdef CYGPKG_PROFILE_GPROF
122 #include <cyg/profile/profile.h>
123
124 extern char _stext, _etext; // Defined by the linker
125
126 static char *start_of_code=&_stext;
127 static char *end_of_code=&_etext;
128
129 void start_profile(void)
130 {
131 // This starts up the system-wide profiling, gathering
132 // profile information on all of the code, with a 16 byte
133 // "bucket" size, at a rate of 100us/profile hit.
134 // Note: a bucket size of 16 will give pretty good function
135 // resolution. Much smaller and the buffer becomes
136 // much too large for very little gain.
137 // Note: a timer period of 100us is also a reasonable
138 // compromise. Any smaller and the overhead of
139 // handling the timter (profile) interrupt could
140 // swamp the system. A fast processor might get
141 // by with a smaller value, but a slow one could
142 // even be swamped by this value. If the value is
143 // too large, the usefulness of the profile is reduced.
144
145 // no more interrupts than 1/10ms.
146 //profile_on((void *)0, (void *)0x40000, 16, 10000); // SRAM
147 // profile_on(0, &_etext, 16, 10000); // SRAM & DRAM
148 profile_on(start_of_code, end_of_code, 16, 10000); // Nios DRAM
149 }
150 #endif
151
152 static FILE *log;
153
154 static char reboot_stack[2048];
155
156 static void zylinjtag_reboot(cyg_addrword_t data)
157 {
158 serialLog = true;
159 diag_printf("Rebooting in 500 ticks..\n");
160 cyg_thread_delay(500);
161 diag_printf("Unmounting /config..\n");
162 umount("/config");
163 diag_printf("Rebooting..\n");
164 HAL_PLATFORM_RESET();
165 }
166 static cyg_thread zylinjtag_thread_object;
167 static cyg_handle_t zylinjtag_thread_handle;
168
169 void reboot(void)
170 {
171 cyg_thread_create(1, zylinjtag_reboot, (cyg_addrword_t) 0, "reboot Thread",
172 (void *) reboot_stack, sizeof(reboot_stack),
173 &zylinjtag_thread_handle, &zylinjtag_thread_object);
174 cyg_thread_resume(zylinjtag_thread_handle);
175 }
176
177 static char zylinjtag_reboot_port_stack[2048];
178 static cyg_thread zylinjtag_reboot_port_thread_object;
179 static cyg_handle_t zylinjtag_reboot_port_thread_handle;
180
181 static void zylinjtag_reboot_port_task(cyg_addrword_t data)
182 {
183 int so_reuseaddr_option = 1;
184
185 int fd;
186 if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
187 {
188 LOG_ERROR("error creating socket: %s", strerror(errno));
189 exit(-1);
190 }
191
192 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
193 sizeof(int));
194
195 struct sockaddr_in sin;
196 unsigned int address_size;
197 address_size = sizeof(sin);
198 memset(&sin, 0, sizeof(sin));
199 sin.sin_family = AF_INET;
200 sin.sin_addr.s_addr = INADDR_ANY;
201 sin.sin_port = htons(1234);
202
203 if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
204 {
205 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
206 exit(-1);
207 }
208
209 if (listen(fd, 1) == -1)
210 {
211 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
212 exit(-1);
213 }
214 // socket_nonblock(fd);
215
216
217 accept(fd, (struct sockaddr *) &sin, &address_size);
218
219 diag_printf("Got reboot signal on port 1234");
220
221 reboot();
222
223 }
224
225 void reboot_port(void)
226 {
227 cyg_thread_create(1, zylinjtag_reboot_port_task, (cyg_addrword_t) 0, "wait for reboot signal on port 1234",
228 (void *) zylinjtag_reboot_port_stack, sizeof(zylinjtag_reboot_port_stack),
229 &zylinjtag_reboot_port_thread_handle, &zylinjtag_reboot_port_thread_object);
230 cyg_thread_resume(zylinjtag_reboot_port_thread_handle);
231 }
232
233 int configuration_output_handler(struct command_context *context,
234 const char* line)
235 {
236 diag_printf("%s", line);
237
238 return ERROR_OK;
239 }
240
241 int zy1000_configuration_output_handler_log(struct command_context *context,
242 const char* line)
243 {
244 LOG_USER_N("%s", line);
245
246 return ERROR_OK;
247 }
248
249 #ifdef CYGPKG_PROFILE_GPROF
250
251 int eCosBoard_handle_eCosBoard_profile_command(struct command_context *cmd_ctx, char *cmd, char **args, int argc)
252 {
253 command_print(cmd_ctx, "Profiling started");
254 start_profile();
255 return ERROR_OK;
256 }
257
258 #endif
259
260 externC void phi_init_all_network_interfaces(void);
261
262 struct command_context *cmd_ctx;
263
264 static bool webRunning = false;
265
266 void keep_webserver(void)
267 {
268 // Target initialisation is only attempted at startup, so we sleep forever and
269 // let the http server bail us out(i.e. get config files set up).
270 diag_printf("OpenOCD has invoked exit().\n"
271 "Use web server to correct any configuration settings and reboot.\n");
272 if (!webRunning)
273 reboot();
274
275 // exit() will terminate the current thread and we we'll then sleep eternally or
276 // we'll have a reboot scheduled.
277 }
278
279 extern void printDccChar(char c);
280
281 static char logBuffer[128 * 1024];
282 static const int logSize = sizeof(logBuffer);
283 int writePtr = 0;
284 int logCount = 0;
285
286 void _zylinjtag_diag_write_char(char c, void **param)
287 {
288 if (writeLog)
289 {
290 logBuffer[writePtr] = c;
291 writePtr = (writePtr + 1) % logSize;
292 logCount++;
293 }
294 if (serialLog)
295 {
296 if (c == '\n')
297 {
298 HAL_DIAG_WRITE_CHAR('\r');
299 }
300 HAL_DIAG_WRITE_CHAR(c);
301 }
302
303 #ifdef CYGPKG_HAL_ZYLIN_PHI
304 printDccChar(c);
305 #endif
306 }
307
308 void copyfile(char *name2, char *name1);
309
310 void copydir(char *name, char *destdir);
311
312 #if 0
313 MTAB_ENTRY(romfs_mte1,
314 "/rom",
315 "romfs",
316 "",
317 (CYG_ADDRWORD) &filedata[0]);
318 #endif
319
320 void openocd_sleep_prelude(void)
321 {
322 cyg_mutex_unlock(&httpstate.jim_lock);
323 }
324
325 void openocd_sleep_postlude(void)
326 {
327 cyg_mutex_lock(&httpstate.jim_lock);
328 }
329
330 void format(void)
331 {
332 #ifdef CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1
333 diag_printf("Formatting JFFS2...\n");
334
335 cyg_io_handle_t handle;
336
337 Cyg_ErrNo err;
338 err = cyg_io_lookup(CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1, &handle);
339 if (err != ENOERR)
340 {
341 diag_printf("Flash Error cyg_io_lookup: %d\n", err);
342 reboot();
343 }
344
345 cyg_uint32 len;
346 cyg_io_flash_getconfig_devsize_t ds;
347 len = sizeof(ds);
348 err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_DEVSIZE, &ds, &len);
349 if (err != ENOERR)
350 {
351 diag_printf("Flash error cyg_io_get_config %d\n", err);
352 reboot();
353 }
354
355 cyg_io_flash_getconfig_erase_t e;
356 len = sizeof(e);
357
358 e.offset = 0;
359 e.len = ds.dev_size;
360
361 diag_printf("Formatting 0x%08x bytes\n", (int)ds.dev_size);
362 err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_ERASE, &e, &len);
363 if (err != ENOERR)
364 {
365 diag_printf("Flash erase error %d offset 0x%08x\n", err, e.err_address);
366 reboot();
367 }
368
369 diag_printf("Flash formatted successfully\n");
370 #endif
371
372 reboot();
373 }
374
375 static int zylinjtag_Jim_Command_format_jffs2(Jim_Interp *interp, int argc,
376 Jim_Obj * const *argv)
377 {
378 if (argc != 1)
379 {
380 return JIM_ERR;
381 }
382
383 format();
384 for (;;)
385 ;
386 }
387
388 static int zylinjtag_Jim_Command_threads(Jim_Interp *interp, int argc,
389 Jim_Obj * const *argv)
390 {
391 cyg_handle_t thread = 0;
392 cyg_uint16 id = 0;
393 Jim_Obj *threads = Jim_NewListObj(interp, NULL, 0);
394
395 /* Loop over the threads, and generate a table row for
396 * each.
397 */
398 while (cyg_thread_get_next(&thread, &id))
399 {
400 Jim_Obj *threadObj = Jim_NewListObj(interp, NULL, 0);
401
402 cyg_thread_info info;
403 char *state_string;
404
405 cyg_thread_get_info(thread, id, &info);
406
407 if (info.name == NULL)
408 info.name = "<no name>";
409
410 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
411 info.name, strlen(info.name)));
412
413 /* Translate the state into a string.
414 */
415 if (info.state == 0)
416 state_string = "RUN";
417 else if (info.state & 0x04)
418 state_string = "SUSP";
419 else
420 switch (info.state & 0x1b)
421 {
422 case 0x01:
423 state_string = "SLEEP";
424 break;
425 case 0x02:
426 state_string = "CNTSLEEP";
427 break;
428 case 0x08:
429 state_string = "CREATE";
430 break;
431 case 0x10:
432 state_string = "EXIT";
433 break;
434 default:
435 state_string = "????";
436 break;
437 }
438
439 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
440 state_string, strlen(state_string)));
441
442 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp, id));
443 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
444 info.set_pri));
445 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
446 info.cur_pri));
447
448 Jim_ListAppendElement(interp, threads, threadObj);
449 }
450 Jim_SetResult(interp, threads);
451
452 return JIM_OK;
453 }
454
455 static int zylinjtag_Jim_Command_log(Jim_Interp *interp, int argc,
456 Jim_Obj * const *argv)
457 {
458 Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
459
460 if (logCount >= logSize)
461 {
462 Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer + logCount
463 % logSize, logSize - logCount % logSize);
464 }
465 Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer, writePtr);
466
467 Jim_SetResult(interp, tclOutput);
468 return JIM_OK;
469 }
470
471 static int zylinjtag_Jim_Command_reboot(Jim_Interp *interp, int argc,
472 Jim_Obj * const *argv)
473 {
474 reboot();
475 return JIM_OK;
476 }
477
478 static void zylinjtag_startNetwork(void)
479 {
480 // Bring TCP/IP up immediately before we're ready to accept commands.
481 //
482 // That is as soon as a PING responds, we're accepting telnet sessions.
483 #if defined(CYGPKG_NET_FREEBSD_STACK)
484 phi_init_all_network_interfaces();
485 #else
486 lwip_init();
487 #endif
488 if (!eth0_up)
489 {
490 diag_printf("Network not up and running\n");
491 exit(-1);
492 }
493
494 /* very first thing we want is a reboot capability */
495 reboot_port();
496
497 #if defined(CYGPKG_NET_FREEBSD_STACK)
498 /*start TFTP*/
499 tftpd_start(69, &fileops);
500 #endif
501
502 cyg_httpd_init_tcl_interpreter();
503
504 interp = httpstate.jim_interp;
505
506 Jim_CreateCommand(httpstate.jim_interp, "log", zylinjtag_Jim_Command_log,
507 NULL, NULL);
508 Jim_CreateCommand(httpstate.jim_interp, "zy1000_reboot",
509 zylinjtag_Jim_Command_reboot, NULL, NULL);
510 Jim_CreateCommand(httpstate.jim_interp, "threads",
511 zylinjtag_Jim_Command_threads, NULL, NULL);
512 Jim_CreateCommand(httpstate.jim_interp, "format_jffs2",
513 zylinjtag_Jim_Command_format_jffs2, NULL, NULL);
514
515 cyg_httpd_start();
516
517 webRunning = true;
518
519 diag_printf("Web server running\n");
520
521 int s;
522 struct ifreq ifr;
523 s = socket(AF_INET, SOCK_DGRAM, 0);
524 if (s >= 0)
525 {
526 strcpy(ifr.ifr_name, "eth0");
527 int res;
528 res = ioctl(s, SIOCGIFHWADDR, &ifr);
529 close(s);
530
531 if (res < 0)
532 {
533 diag_printf("Can't obtain MAC address\n");
534 reboot();
535 }
536 }
537
538 sprintf(hwaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
539 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[0],
540 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[1],
541 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[2],
542 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[3],
543 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[4],
544 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[5]);
545
546 discover_message
547 = alloc_printf("ZY1000 Zylin JTAG debugger MAC %s", hwaddr);
548
549 discover_launch();
550 }
551
552 static void print_exception_handler(cyg_addrword_t data, cyg_code_t exception,
553 cyg_addrword_t info)
554 {
555 writeLog = false;
556 serialLog = true;
557 char *infoStr = "unknown";
558 switch (exception)
559 {
560 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
561 case CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION:
562 infoStr = "undefined instruction";
563 break;
564 case CYGNUM_HAL_VECTOR_SOFTWARE_INTERRUPT:
565 infoStr = "software interrupt";
566 break;
567 case CYGNUM_HAL_VECTOR_ABORT_PREFETCH:
568 infoStr = "abort prefetch";
569 break;
570 case CYGNUM_HAL_VECTOR_ABORT_DATA:
571 infoStr = "abort data";
572 break;
573 #endif
574 default:
575 break;
576 }
577
578 diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
579
580 diag_printf("Dumping log\n---\n");
581 if (logCount >= logSize)
582 {
583 diag_write(logBuffer + logCount % logSize, logSize - logCount % logSize);
584 }
585 diag_write(logBuffer, writePtr);
586
587 diag_printf("---\nLogdump complete.\n");
588 diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
589 diag_printf("\n---\nRebooting\n");
590 HAL_PLATFORM_RESET();
591
592 }
593
594 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
595 static void setHandler(cyg_code_t exception)
596 {
597 cyg_exception_handler_t *old_handler;
598 cyg_addrword_t old_data;
599
600 cyg_exception_set_handler(exception, print_exception_handler, 0,
601 &old_handler, &old_data);
602 }
603 #endif
604
605 static cyg_thread zylinjtag_uart_thread_object;
606 static cyg_handle_t zylinjtag_uart_thread_handle;
607 static char uart_stack[4096];
608
609 static char forwardBuffer[1024]; // NB! must be smaller than a TCP/IP packet!!!!!
610 static char backwardBuffer[1024];
611
612 void setNoDelay(int session, int flag)
613 {
614 #if 1
615 // This decreases latency dramatically for e.g. GDB load which
616 // does not have a sliding window protocol
617 //
618 // Can cause *lots* of TCP/IP packets to be sent and it would have
619 // to be enabled/disabled on the fly to avoid the CPU being
620 // overloaded...
621 setsockopt(session, /* socket affected */
622 IPPROTO_TCP, /* set option at TCP level */
623 TCP_NODELAY, /* name of option */
624 (char *) &flag, /* the cast is historical
625 cruft */
626 sizeof(int)); /* length of option value */
627 #endif
628 }
629
630 #define TEST_TCPIP() 0
631
632 #if TEST_TCPIP
633 struct
634 {
635 int req;
636 int actual;
637 int req2;
638 int actual2;
639 } tcpipSent[512 * 1024];
640 int cur;
641 #endif
642
643 static void zylinjtag_uart(cyg_addrword_t data)
644 {
645 int so_reuseaddr_option = 1;
646
647 int fd;
648 if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
649 {
650 LOG_ERROR("error creating socket: %s", strerror(errno));
651 exit(-1);
652 }
653
654 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
655 sizeof(int));
656
657 struct sockaddr_in sin;
658 unsigned int address_size;
659 address_size = sizeof(sin);
660 memset(&sin, 0, sizeof(sin));
661 sin.sin_family = AF_INET;
662 sin.sin_addr.s_addr = INADDR_ANY;
663 sin.sin_port = htons(5555);
664
665 if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
666 {
667 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
668 exit(-1);
669 }
670
671 if (listen(fd, 1) == -1)
672 {
673 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
674 exit(-1);
675 }
676 // socket_nonblock(fd);
677
678
679 for (;;)
680 {
681 int session = accept(fd, (struct sockaddr *) &sin, &address_size);
682 if (session < 0)
683 {
684 continue;
685 }
686
687 setNoDelay(session, 1);
688 int oldopts = fcntl(session, F_GETFL, 0);
689 fcntl(session, F_SETFL, oldopts | O_NONBLOCK); //
690
691 int serHandle = open("/dev/ser0", O_RDWR | O_NONBLOCK);
692 if (serHandle < 0)
693 {
694 close(session);
695 continue;
696 }
697
698 #ifdef CYGPKG_PROFILE_GPROF
699 start_profile();
700 #endif
701 size_t actual = 0;
702 size_t actual2 = 0;
703 size_t pos, pos2;
704 pos = 0;
705 pos2 = 0;
706 #if TEST_TCPIP
707 cur = 0;
708 #endif
709 for (;;)
710 {
711 fd_set write_fds;
712 fd_set read_fds;
713 FD_ZERO(&write_fds);
714 FD_ZERO(&read_fds);
715 int fd_max = -1;
716 FD_SET(session, &read_fds);
717 fd_max = session;
718 FD_SET(serHandle, &read_fds);
719 if (serHandle > fd_max)
720 {
721 fd_max = serHandle;
722 }
723 /* Wait... */
724
725 cyg_thread_delay(5); // 50ms fixed delay to wait for data to be sent/received
726 if ((actual == 0) && (actual2 == 0))
727 {
728 int retval = select(fd_max + 1, &read_fds, NULL, NULL, NULL);
729 if (retval <= 0)
730 {
731 break;
732 }
733 }
734
735 if (actual2 <= 0)
736 {
737 memset(backwardBuffer, 's', sizeof(backwardBuffer));
738 int t;
739 t = read(serHandle, backwardBuffer,
740 sizeof(backwardBuffer));
741 actual2 = t;
742 if (t < 0)
743 {
744 if (errno != EAGAIN)
745 {
746 goto closeSession;
747 }
748 actual2 = 0;
749 }
750 pos2 = 0;
751 }
752
753 size_t y = 0;
754 if (actual2 > 0)
755 {
756 int written = write(session, backwardBuffer + pos2, actual2);
757 if (written <= 0)
758 goto closeSession;
759 actual2 -= written;
760 pos2 += written;
761 y = written;
762 }
763
764 if (FD_ISSET(session, &read_fds)
765 && (sizeof(forwardBuffer) > actual))
766 {
767 // NB! Here it is important that we empty the TCP/IP read buffer
768 // to make transmission tick right
769 memmove(forwardBuffer, forwardBuffer + pos, actual);
770 pos = 0;
771 int t;
772 // this will block if there is no data at all
773 t = read_socket(session, forwardBuffer + actual,
774 sizeof(forwardBuffer) - actual);
775 if (t <= 0)
776 {
777 goto closeSession;
778 }
779 actual += t;
780 }
781
782 int y2 = 0;
783 if (actual > 0)
784 {
785 /* Do not put things into the serial buffer if it has something to send
786 * as that can cause a single byte to be sent at the time.
787 *
788 *
789 */
790 int written = write(serHandle, forwardBuffer + pos, actual);
791 if (written < 0)
792 {
793 if (errno != EAGAIN)
794 {
795 goto closeSession;
796 }
797 // The serial buffer is full
798 written = 0;
799 }
800 else
801 {
802 actual -= written;
803 pos += written;
804 }
805 y2 = written;
806 }
807 #if TEST_TCPIP
808 if (cur < 1024)
809 {
810 tcpipSent[cur].req = x;
811 tcpipSent[cur].actual = y;
812 tcpipSent[cur].req2 = x2;
813 tcpipSent[cur].actual2 = y2;
814 cur++;
815 }
816 #endif
817 }
818 closeSession: close(session);
819 close(serHandle);
820
821 #if TEST_TCPIP
822 int i;
823 for (i = 0; i < 1024; i++)
824 {
825 diag_printf("%d %d %d %d\n", tcpipSent[i].req, tcpipSent[i].actual,
826 tcpipSent[i].req2, tcpipSent[i].actual2);
827
828 }
829 #endif
830 }
831 close(fd);
832
833 }
834
835 void startUart(void)
836 {
837 cyg_thread_create(1, zylinjtag_uart, (cyg_addrword_t) 0, "uart thread",
838 (void *) uart_stack, sizeof(uart_stack),
839 &zylinjtag_uart_thread_handle, &zylinjtag_uart_thread_object);
840 cyg_thread_set_priority(zylinjtag_uart_thread_handle, 1); // low priority as it sits in a busy loop
841 cyg_thread_resume(zylinjtag_uart_thread_handle);
842 }
843
844 int handle_uart_command(struct command_context *cmd_ctx, char *cmd,
845 char **args, int argc)
846 {
847 static int current_baud = 38400;
848 if (argc == 0)
849 {
850 command_print(cmd_ctx, "%d", current_baud);
851 return ERROR_OK;
852 }
853 else if (argc != 1)
854 {
855 return ERROR_INVALID_ARGUMENTS;
856 }
857
858 current_baud = atol(args[0]);
859
860 int baud;
861 switch (current_baud)
862 {
863 case 9600:
864 baud = CYGNUM_SERIAL_BAUD_9600;
865 break;
866 case 19200:
867 baud = CYGNUM_SERIAL_BAUD_19200;
868 break;
869 case 38400:
870 baud = CYGNUM_SERIAL_BAUD_38400;
871 break;
872 case 57600:
873 baud = CYGNUM_SERIAL_BAUD_57600;
874 break;
875 case 115200:
876 baud = CYGNUM_SERIAL_BAUD_115200;
877 break;
878 case 230400:
879 baud = CYGNUM_SERIAL_BAUD_230400;
880 break;
881 default:
882 command_print(cmd_ctx, "unsupported baudrate");
883 return ERROR_INVALID_ARGUMENTS;
884 }
885
886 cyg_serial_info_t buf;
887 cyg_uint32 len = 1;
888 //get existing serial configuration
889 len = sizeof(cyg_serial_info_t);
890 int err;
891 cyg_io_handle_t serial_handle;
892
893 err = cyg_io_lookup("/dev/ser0", &serial_handle);
894 if (err != ENOERR)
895 {
896 LOG_ERROR("/dev/ser0 not found\n");
897 return ERROR_FAIL;
898 }
899
900 err = cyg_io_get_config(serial_handle,
901 CYG_IO_GET_CONFIG_SERIAL_OUTPUT_DRAIN, &buf, &len);
902 err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &buf,
903 &len);
904 if (err != ENOERR)
905 {
906 command_print(cmd_ctx, "Failed to get serial port settings %d", err);
907 return ERROR_OK;
908 }
909 buf.baud = baud;
910
911 err = cyg_io_set_config(serial_handle, CYG_IO_SET_CONFIG_SERIAL_INFO, &buf,
912 &len);
913 if (err != ENOERR)
914 {
915 command_print(cmd_ctx, "Failed to set serial port settings %d", err);
916 return ERROR_OK;
917 }
918
919 return ERROR_OK;
920 }
921
922 bool logAllToSerial = false;
923
924
925 int boolParam(char *var);
926
927
928 struct command_context *setup_command_handler(void);
929
930 static const char *zylin_config_dir="/config/settings";
931
932 static int add_default_dirs(void)
933 {
934 add_script_search_dir(zylin_config_dir);
935 add_script_search_dir("/rom/lib/openocd");
936 add_script_search_dir("/rom");
937 return ERROR_OK;
938 }
939
940 int ioutil_init(struct command_context *cmd_ctx);
941
942 int main(int argc, char *argv[])
943 {
944 /* ramblockdevice will be the same address every time. The deflate app uses a buffer 16mBytes out, so we
945 * need to allocate towards the end of the heap. */
946
947 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
948 setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION);
949 setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH);
950 setHandler(CYGNUM_HAL_VECTOR_ABORT_DATA);
951 #endif
952
953 int err;
954
955 atexit(keep_webserver);
956
957 diag_init_putc(_zylinjtag_diag_write_char);
958 // We want this in the log.
959 diag_printf("Zylin ZY1000.\n");
960
961 err = mount("", "/ram", "ramfs");
962 if (err < 0)
963 {
964 diag_printf("unable to mount ramfs\n");
965 }
966 chdir("/ram");
967
968 char address[16];
969 sprintf(address, "%p", &filedata[0]);
970 err = mount(address, "/rom", "romfs");
971 if (err < 0)
972 {
973 diag_printf("unable to mount /rom\n");
974 }
975
976 err = mount("", "/log", "logfs");
977 if (err < 0)
978 {
979 diag_printf("unable to mount logfs\n");
980 }
981
982 err = mount("", "/tftp", "tftpfs");
983 if (err < 0)
984 {
985 diag_printf("unable to mount logfs\n");
986 }
987
988 log = fopen("/log/log", "w");
989 if (log == NULL)
990 {
991 diag_printf("Could not open log file /ram/log\n");
992 exit(-1);
993 }
994
995
996 copydir("/rom", "/ram/cgi");
997
998 err = mount("/dev/flash1", "/config", "jffs2");
999 if (err < 0)
1000 {
1001 diag_printf("unable to mount jffs2, falling back to ram disk..\n");
1002 err = mount("", "/config", "ramfs");
1003 if (err < 0)
1004 {
1005 diag_printf("unable to mount /config as ramdisk.\n");
1006 reboot();
1007 }
1008 }
1009 else
1010 {
1011 /* are we using a ram disk instead of a flash disk? This is used
1012 * for ZY1000 live demo...
1013 *
1014 * copy over flash disk to ram block device
1015 */
1016 if (boolParam("ramdisk"))
1017 {
1018 diag_printf("Unmounting /config from flash and using ram instead\n");
1019 err = umount("/config");
1020 if (err < 0)
1021 {
1022 diag_printf("unable to unmount jffs\n");
1023 reboot();
1024 }
1025
1026 err = mount("/dev/flash1", "/config2", "jffs2");
1027 if (err < 0)
1028 {
1029 diag_printf("unable to mount jffs\n");
1030 reboot();
1031 }
1032
1033 err = mount("", "/config", "ramfs");
1034 if (err < 0)
1035 {
1036 diag_printf("unable to mount ram block device\n");
1037 reboot();
1038 }
1039
1040 // copydir("/config2", "/config");
1041 copyfile("/config2/ip", "/config/ip");
1042 copydir("/config2/settings", "/config/settings");
1043
1044 umount("/config2");
1045 }
1046 }
1047
1048 mkdir(zylin_config_dir, 0777);
1049 char *dirname = alloc_printf("%s/target", zylin_config_dir);
1050 mkdir(dirname, 0777);
1051 free(dirname);
1052 dirname = alloc_printf("%s/board", zylin_config_dir);
1053 mkdir(dirname, 0777);
1054 free(dirname);
1055 dirname = alloc_printf("%s/event", zylin_config_dir);
1056 mkdir(dirname, 0777);
1057 free(dirname);
1058
1059 logAllToSerial = boolParam("logserial");
1060
1061 // We need the network & web server in case there is something wrong with
1062 // the config files that invoke exit()
1063 zylinjtag_startNetwork();
1064
1065 /* we're going to access the jim interpreter from here on... */
1066 openocd_sleep_postlude();
1067 startUart();
1068
1069 add_default_dirs();
1070
1071 /* initialize commandline interface */
1072 struct command_context * cmd_ctx;
1073 cmd_ctx = setup_command_handler();
1074 command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
1075 command_context_mode(cmd_ctx, COMMAND_CONFIG);
1076
1077 #if BUILD_IOUTIL
1078 if (ioutil_init(cmd_ctx) != ERROR_OK)
1079 {
1080 return EXIT_FAILURE;
1081 }
1082 #endif
1083
1084
1085 #ifdef CYGPKG_PROFILE_GPROF
1086 register_command(cmd_ctx, NULL, "ecosboard_profile", eCosBoard_handle_eCosBoard_profile_command,
1087 COMMAND_ANY, NULL);
1088 #endif
1089
1090 register_command(cmd_ctx, NULL, "uart", handle_uart_command, COMMAND_ANY,
1091 "uart <baud> - forward uart on port 5555");
1092
1093 int errVal;
1094 errVal = log_init(cmd_ctx);
1095 if (errVal != ERROR_OK)
1096 {
1097 diag_printf("log_init() failed %d\n", errVal);
1098 exit(-1);
1099 }
1100
1101 set_log_output(cmd_ctx, log);
1102
1103 LOG_DEBUG("log init complete");
1104
1105 // diag_printf("Executing config files\n");
1106
1107 if (logAllToSerial)
1108 {
1109 diag_printf(
1110 "%s/logserial = 1 => sending log output to serial port using \"debug_level 3\" as default.\n", zylin_config_dir);
1111 command_run_line(cmd_ctx, "debug_level 3");
1112 }
1113
1114 command_run_linef(cmd_ctx, "script /rom/openocd.cfg");
1115
1116 /* we MUST always run the init command as it will launch telnet sessions */
1117 command_run_line(cmd_ctx, "init");
1118
1119 // FIX!!! Yuk!
1120 // diag_printf() is really invoked from many more places than we trust it
1121 // not to cause instabilities(e.g. invoking fputc() from an interrupt is *BAD*).
1122 //
1123 // Disabling it here is safe and gives us enough logged debug output for now. Crossing
1124 // fingers that it doesn't cause any crashes.
1125 diag_printf("Init complete, GDB & telnet servers launched.\n");
1126 command_set_output_handler(cmd_ctx,
1127 zy1000_configuration_output_handler_log, NULL);
1128 if (!logAllToSerial)
1129 {
1130 serialLog = false;
1131 }
1132
1133 /* handle network connections */
1134 server_loop(cmd_ctx);
1135 openocd_sleep_prelude();
1136
1137 /* shut server down */
1138 server_quit();
1139
1140 /* free commandline interface */
1141 command_done(cmd_ctx);
1142 umount("/config");
1143
1144 exit(0);
1145 for (;;)
1146 ;
1147 }
1148
1149 cyg_int32 cyg_httpd_exec_cgi_tcl(char *file_name);
1150 cyg_int32 homeForm(CYG_HTTPD_STATE *p)
1151 {
1152 cyg_httpd_exec_cgi_tcl("/ram/cgi/index.tcl");
1153 return 0;
1154 }
1155
1156 CYG_HTTPD_HANDLER_TABLE_ENTRY(root_label, "/", homeForm);
1157
1158 CYG_HTTPD_MIME_TABLE_ENTRY(text_mime_label, "text", "text/plain");
1159 CYG_HTTPD_MIME_TABLE_ENTRY(bin_mime_label, "bin", "application/octet-stream");
1160
1161 #include <pkgconf/system.h>
1162 #include <pkgconf/hal.h>
1163 #include <pkgconf/kernel.h>
1164 #include <pkgconf/io_fileio.h>
1165 #include <pkgconf/fs_rom.h>
1166
1167 #include <cyg/kernel/ktypes.h> // base kernel types
1168 #include <cyg/infra/cyg_trac.h> // tracing macros
1169 #include <cyg/infra/cyg_ass.h> // assertion macros
1170 #include <cyg/fileio/fileio.h>
1171 #include <cyg/kernel/kapi.h>
1172 #include <cyg/infra/diag.h>
1173
1174 //==========================================================================
1175 // Eventually we want to eXecute In Place from the ROM in a protected
1176 // environment, so we'll need executables to be aligned to a boundary
1177 // suitable for MMU protection. A suitable boundary would be the 4k
1178 // boundary in all the CPU architectures I am currently aware of.
1179
1180 // Forward definitions
1181
1182 // Filesystem operations
1183 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1184 static int tftpfs_umount(cyg_mtab_entry *mte);
1185 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1186 int mode, cyg_file *fte);
1187 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1188 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1189
1190 // File operations
1191 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1192 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp);
1193 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence);
1194
1195 //==========================================================================
1196 // Filesystem table entries
1197
1198 // -------------------------------------------------------------------------
1199 // Fstab entry.
1200 // This defines the entry in the filesystem table.
1201 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1202 // we should never block in any filesystem operations.
1203 #if 1
1204 FSTAB_ENTRY(tftpfs_fste, "tftpfs", 0,
1205 CYG_SYNCMODE_NONE,
1206 tftpfs_mount,
1207 tftpfs_umount,
1208 tftpfs_open,
1209 (cyg_fsop_unlink *)cyg_fileio_erofs,
1210 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1211 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1212 (cyg_fsop_rename *)cyg_fileio_erofs,
1213 (cyg_fsop_link *)cyg_fileio_erofs,
1214 (cyg_fsop_opendir *)cyg_fileio_erofs,
1215 (cyg_fsop_chdir *)cyg_fileio_erofs,
1216 (cyg_fsop_stat *)cyg_fileio_erofs,
1217 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1218 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1219 #endif
1220
1221 // -------------------------------------------------------------------------
1222 // mtab entry.
1223 // This defines a single ROMFS loaded into ROM at the configured address
1224 //
1225 // MTAB_ENTRY(rom_mte, // structure name
1226 // "/rom", // mount point
1227 // "romfs", // FIlesystem type
1228 // "", // hardware device
1229 // (CYG_ADDRWORD) CYGNUM_FS_ROM_BASE_ADDRESS // Address in ROM
1230 //);
1231
1232
1233 // -------------------------------------------------------------------------
1234 // File operations.
1235 // This set of file operations are used for normal open files.
1236
1237 static cyg_fileops tftpfs_fileops =
1238 { tftpfs_fo_read, tftpfs_fo_write, tftpfs_fo_lseek,
1239 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1240 tftpfs_fo_fsync, tftpfs_fo_close,
1241 (cyg_fileop_fstat *) cyg_fileio_erofs,
1242 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1243 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1244
1245 // -------------------------------------------------------------------------
1246 // tftpfs_mount()
1247 // Process a mount request. This mainly finds root for the
1248 // filesystem.
1249
1250 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1251 {
1252 return ENOERR;
1253 }
1254
1255 static int tftpfs_umount(cyg_mtab_entry *mte)
1256 {
1257 return ENOERR;
1258 }
1259
1260 struct Tftp
1261 {
1262 int write;
1263 int readFile;
1264 cyg_uint8 *mem;
1265 int actual;
1266 char *server;
1267 char *file;
1268 };
1269
1270 static void freeTftp(struct Tftp *t)
1271 {
1272 if (t == NULL)
1273 return;
1274 if (t->mem)
1275 free(t->mem);
1276 if (t->server)
1277 free(t->server);
1278 if (t->file)
1279 free(t->file);
1280 free(t);
1281 }
1282
1283 static const int tftpMaxSize = 8192 * 1024;
1284 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1285 int mode, cyg_file *file)
1286 {
1287 struct Tftp *tftp;
1288 tftp = malloc(sizeof(struct Tftp));
1289 if (tftp == NULL)
1290 return EMFILE;
1291 memset(tftp, 0, sizeof(struct Tftp));
1292
1293 file->f_flag |= mode & CYG_FILE_MODE_MASK;
1294 file->f_type = CYG_FILE_TYPE_FILE;
1295 file->f_ops = &tftpfs_fileops;
1296 file->f_offset = 0;
1297 file->f_data = 0;
1298 file->f_xops = 0;
1299
1300 tftp->mem = malloc(tftpMaxSize);
1301 if (tftp->mem == NULL)
1302 {
1303 freeTftp(tftp);
1304 return EMFILE;
1305 }
1306
1307 char *server = strchr(name, '/');
1308 if (server == NULL)
1309 {
1310 freeTftp(tftp);
1311 return EMFILE;
1312 }
1313
1314 tftp->server = malloc(server - name + 1);
1315 if (tftp->server == NULL)
1316 {
1317 freeTftp(tftp);
1318 return EMFILE;
1319 }
1320 strncpy(tftp->server, name, server - name);
1321 tftp->server[server - name] = 0;
1322
1323 tftp->file = strdup(server + 1);
1324 if (tftp->file == NULL)
1325 {
1326 freeTftp(tftp);
1327 return EMFILE;
1328 }
1329
1330 file->f_data = (CYG_ADDRWORD) tftp;
1331
1332 return ENOERR;
1333 }
1334
1335 static int fetchTftp(struct Tftp *tftp)
1336 {
1337 if (!tftp->readFile)
1338 {
1339 int err;
1340 tftp->actual = tftp_client_get(tftp->file, tftp->server, 0, tftp->mem,
1341 tftpMaxSize, TFTP_OCTET, &err);
1342
1343 if (tftp->actual < 0)
1344 {
1345 return EMFILE;
1346 }
1347 tftp->readFile = 1;
1348 }
1349 return ENOERR;
1350 }
1351
1352 // -------------------------------------------------------------------------
1353 // tftpfs_fo_write()
1354 // Read data from file.
1355
1356 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1357 {
1358 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1359
1360 if (fetchTftp(tftp) != ENOERR)
1361 return EMFILE;
1362
1363 int i;
1364 off_t pos = fp->f_offset;
1365 int resid = 0;
1366 for (i = 0; i < uio->uio_iovcnt; i++)
1367 {
1368 cyg_iovec *iov = &uio->uio_iov[i];
1369 char *buf = (char *) iov->iov_base;
1370 off_t len = iov->iov_len;
1371
1372 if (len + pos > tftp->actual)
1373 {
1374 len = tftp->actual - pos;
1375 }
1376 resid += iov->iov_len - len;
1377
1378 memcpy(buf, tftp->mem + pos, len);
1379 pos += len;
1380
1381 }
1382 uio->uio_resid = resid;
1383 fp->f_offset = pos;
1384
1385 return ENOERR;
1386 }
1387
1388 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1389 {
1390 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1391
1392 int i;
1393 off_t pos = fp->f_offset;
1394 int resid = 0;
1395 for (i = 0; i < uio->uio_iovcnt; i++)
1396 {
1397 cyg_iovec *iov = &uio->uio_iov[i];
1398 char *buf = (char *) iov->iov_base;
1399 off_t len = iov->iov_len;
1400
1401 if (len + pos > tftpMaxSize)
1402 {
1403 len = tftpMaxSize - pos;
1404 }
1405 resid += iov->iov_len - len;
1406
1407 memcpy(tftp->mem + pos, buf, len);
1408 pos += len;
1409
1410 }
1411 uio->uio_resid = resid;
1412 fp->f_offset = pos;
1413
1414 tftp->write = 1;
1415
1416 return ENOERR;
1417 }
1418
1419 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1420 {
1421 int error = ENOERR;
1422 return error;
1423 }
1424
1425 // -------------------------------------------------------------------------
1426 // romfs_fo_close()
1427 // Close a file. We just clear out the data pointer.
1428
1429 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp)
1430 {
1431 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1432 int error = ENOERR;
1433
1434 if (tftp->write)
1435 {
1436 tftp_client_put(tftp->file, tftp->server, 0, tftp->mem, fp->f_offset,
1437 TFTP_OCTET, &error);
1438 }
1439
1440 freeTftp(tftp);
1441 fp->f_data = 0;
1442 return error;
1443 }
1444
1445 // -------------------------------------------------------------------------
1446 // romfs_fo_lseek()
1447 // Seek to a new file position.
1448
1449 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence)
1450 {
1451 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1452 off_t pos = *apos;
1453
1454 if (fetchTftp(tftp) != ENOERR)
1455 return EMFILE;
1456
1457 switch (whence)
1458 {
1459 case SEEK_SET:
1460 // Pos is already where we want to be.
1461 break;
1462
1463 case SEEK_CUR:
1464 // Add pos to current offset.
1465 pos += fp->f_offset;
1466 break;
1467
1468 case SEEK_END:
1469 // Add pos to file size.
1470 pos += tftp->actual;
1471 break;
1472
1473 default:
1474 return EINVAL;
1475 }
1476
1477 // Check that pos is still within current file size, or at the
1478 // very end.
1479 if (pos < 0 || pos > tftp->actual)
1480 return EINVAL;
1481
1482 // All OK, set fp offset and return new position.
1483 *apos = fp->f_offset = pos;
1484
1485 return ENOERR;
1486 }
1487
1488 void usleep(int us)
1489 {
1490 if (us > 10000)
1491 cyg_thread_delay(us / 10000 + 1);
1492 else
1493 HAL_DELAY_US(us);
1494 }
1495
1496 // Chunked version.
1497 cyg_int32 show_log_entry(CYG_HTTPD_STATE *phttpstate)
1498 {
1499 cyg_httpd_start_chunked("text");
1500 if (logCount >= logSize)
1501 {
1502 cyg_httpd_write_chunked(logBuffer + logCount % logSize, logSize
1503 - logCount % logSize);
1504 }
1505 cyg_httpd_write_chunked(logBuffer, writePtr);
1506 cyg_httpd_end_chunked();
1507 return -1;
1508 }
1509
1510 CYG_HTTPD_HANDLER_TABLE_ENTRY(show_log, "/ram/log", show_log_entry);
1511
1512 // Filesystem operations
1513 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1514 static int logfs_umount(cyg_mtab_entry *mte);
1515 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1516 int mode, cyg_file *fte);
1517 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1518
1519 // File operations
1520 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1521 static int logfs_fo_close(struct CYG_FILE_TAG *fp);
1522
1523 #include <cyg/io/devtab.h>
1524
1525 //==========================================================================
1526 // Filesystem table entries
1527
1528 // -------------------------------------------------------------------------
1529 // Fstab entry.
1530 // This defines the entry in the filesystem table.
1531 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1532 // we should never block in any filesystem operations.
1533 FSTAB_ENTRY(logfs_fste, "logfs", 0,
1534 CYG_SYNCMODE_FILE_FILESYSTEM | CYG_SYNCMODE_IO_FILESYSTEM,
1535 logfs_mount,
1536 logfs_umount,
1537 logfs_open,
1538 (cyg_fsop_unlink *)cyg_fileio_erofs,
1539 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1540 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1541 (cyg_fsop_rename *)cyg_fileio_erofs,
1542 (cyg_fsop_link *)cyg_fileio_erofs,
1543 (cyg_fsop_opendir *)cyg_fileio_erofs,
1544 (cyg_fsop_chdir *)cyg_fileio_erofs,
1545 (cyg_fsop_stat *)cyg_fileio_erofs,
1546 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1547 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1548
1549 // -------------------------------------------------------------------------
1550 // File operations.
1551 // This set of file operations are used for normal open files.
1552
1553 static cyg_fileops logfs_fileops =
1554 { (cyg_fileop_read *) cyg_fileio_erofs, (cyg_fileop_write *) logfs_fo_write,
1555 (cyg_fileop_lseek *) cyg_fileio_erofs,
1556 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1557 logfs_fo_fsync, logfs_fo_close, (cyg_fileop_fstat *) cyg_fileio_erofs,
1558 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1559 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1560
1561 // -------------------------------------------------------------------------
1562 // logfs_mount()
1563 // Process a mount request. This mainly finds root for the
1564 // filesystem.
1565
1566 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1567 {
1568 return ENOERR;
1569 }
1570
1571 static int logfs_umount(cyg_mtab_entry *mte)
1572 {
1573 return ENOERR;
1574 }
1575
1576 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1577 int mode, cyg_file *file)
1578 {
1579 file->f_flag |= mode & CYG_FILE_MODE_MASK;
1580 file->f_type = CYG_FILE_TYPE_FILE;
1581 file->f_ops = &logfs_fileops;
1582 file->f_offset = 0;
1583 file->f_data = 0;
1584 file->f_xops = 0;
1585 return ENOERR;
1586 }
1587
1588 // -------------------------------------------------------------------------
1589 // logfs_fo_write()
1590 // Write data to file.
1591
1592 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1593 {
1594 int i;
1595 for (i = 0; i < uio->uio_iovcnt; i++)
1596 {
1597 cyg_iovec *iov = &uio->uio_iov[i];
1598 char *buf = (char *) iov->iov_base;
1599 off_t len = iov->iov_len;
1600
1601 diag_write(buf, len);
1602 }
1603 uio->uio_resid = 0;
1604
1605 return ENOERR;
1606 }
1607 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1608 {
1609 return ENOERR;
1610 }
1611
1612 // -------------------------------------------------------------------------
1613 // romfs_fo_close()
1614 // Close a file. We just clear out the data pointer.
1615
1616 static int logfs_fo_close(struct CYG_FILE_TAG *fp)
1617 {
1618 return ENOERR;
1619 }
1620
1621 int loadFile(const char *fileName, void **data, int *len);
1622
1623 /* boolean parameter stored on config */
1624 int boolParam(char *var)
1625 {
1626 bool result = false;
1627 char *name = alloc_printf("%s/%s", zylin_config_dir, var);
1628 if (name == NULL)
1629 return result;
1630
1631 void *data;
1632 int len;
1633 if (loadFile(name, &data, &len) == ERROR_OK)
1634 {
1635 if (len > 1)
1636 len = 1;
1637 result = strncmp((char *) data, "1", len) == 0;
1638 free(data);
1639 }
1640 free(name);
1641 return result;
1642 }
1643